Search Colleges, Courses, Exams, Questions and Articles

Ask a query on 8879100846 Ask Login | Sign Up

 

 
› Tags › Class 12th

Class 12th

Get insights from 12k questions on Class 12th, answered by students, alumni, and experts. You may also ask and answer any question you like about Class 12th

Follow Ask Question
12k

Questions

0

Discussions

28

Active Users

0

Followers

New answer posted

a year ago

Class 12th Physics

Avalanche breakdown of p-n junction diode is due to
0 Follower 5 Views

A
alok kumar singh

Contributor-Level 10

In reverse biasing, due to collision of electrons and atom, avalanche breakdown occurs.

New answer posted

a year ago

Class 12th Chemistry

Consider the following chlorides

The correct order of reactivity towards SN1 reaction is
0 Follower 14 Views

A
alok kumar singh

Contributor-Level 10

Higher is the stability of carbocation, greater is the reactivity towards SN1.

Therefore, Correct order of reactivity towards SN1 reaction is

 

New answer posted

a year ago

Class 12th Chemistry

Which of the following compounds is not an antacid?
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Ranitidine, cimetidine and magnesium hydroxide are antacids.

Serotonin is a tranquilizers.

New answer posted

a year ago

Class 12th Chemistry Solutions

An ideal solution made by mixing two volatile components A and B. If the vapour pressure of solution is 170 mm Hg, then mole fraction of A in vapour phase is

(PA° = 200 mm Hg, PB° = 100 mm Hg)
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

Kindly go through the solution 

 

New answer posted

a year ago

Class 12th Chemistry

Correct formula of calamine is
0 Follower 3 Views

A
alok kumar singh

Contributor-Level 10

Kindly go thorugh the solution

Calamine->ZnCO3

New answer posted

a year ago

Class 12th Chemistry

Aldol condensation will take place in

 
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

The carbonyl compounds which contain at least two a-hydrogen will give aldol condensation.

New answer posted

a year ago

Class 12th Chemistry

When glucose reacts with Br2 water, it gives
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Kindly go through the solution 

 

New answer posted

a year ago

Class 12th Chemistry

Major product of the given reaction is

 
0 Follower 90 Views

A
alok kumar singh

Contributor-Level 10

Kindly go thorugh the solution

 

New answer posted

a year ago

Class 12th Chemistry

Shape of XeF4 molecule is
0 Follower 5 Views

A
alok kumar singh

Contributor-Level 10

Hybridisation = sp3d2

Shape – square planar

New answer posted

a year ago

Class 12th Chemistry Electrochemistry

Select the ion of minimum limiting molar conductivity in water at 298 K.
0 Follower 3 Views

A
alok kumar singh

Contributor-Level 10

Ion

l°/S cm2 mol–1

OH–

199.1

SO2-

4

160.0

Cl–

76.3

CH3COO–

40.9

Order of limiting molar conductivity

OH- > SO42- > Cl- > CH3COO-

Get authentic answers from experts, students and alumni that you won't find anywhere else

Sign Up on Shiksha

On Shiksha, get access to

  • 67k Colleges
  • 1.2k Exams
  • 716k Reviews
  • 1850k Answers

Share Your College Life Experience

Write a Review
Community GuidelinesUser Points System
QuestionsDiscussionsTags

×
×

This website uses Cookies and related technologies for the site to function correctly and securely, improve & personalise your browsing experience, analyse traffic, and support our marketing efforts and serve the Core Purpose. By continuing to browse the site, you agree to Privacy Policy and Cookie Policy.